2214605 has 16 divisors (see below), whose sum is σ = 2772144. Its totient is φ = 1697280.

The previous prime is 2214599. The next prime is 2214623. The reversal of 2214605 is 5064122.

It is a happy number.

2214605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 100489 + 2114116 = 317^2 + 1454^2 .

It is not a de Polignac number, because 2214605 - 2⁸ = 2214349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16097 + ... + 16233.

It is an arithmetic number, because the mean of its divisors is an integer number (173259).

2^2214605 is an apocalyptic number.

It is an amenable number.

2214605 is a deficient number, since it is larger than the sum of its proper divisors (557539).

2214605 is a wasteful number, since it uses less digits than its factorization.

2214605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2214605 is about 1488.1548978517. The cubic root of 2214605 is about 130.3463152683.

Adding to 2214605 its reverse (5064122), we get a palindrome (7278727).

The spelling of 2214605 in words is "two million, two hundred fourteen thousand, six hundred five".